Looks too young still. My Hermann's looked just like this, with a longish tail. Then almost overnight the tail grew HUGE!! I was able to sex him at around 15 months, but he was a really fast grower.
Looking at his shell and that he drinks a lot, it looks like you could raise the humidity in his enclosure. He should be 70%. I raised mine like this, and his shell is super smooth! I would attach the care sheet, but I don't know how...maybe someone else will.Cool, mine was born 21/9/17 so he’s about 15 months old, he isn’t a big eater but he drinks a lot,
I know a vivarium isn’t the best enclosure for a tortoise but it is temporary for about a year until I move out of my parents house and I’ll have more room for a huge tortoise table, I have a plan to self make it